Place the cocoa powder and Splenda into a microwaveable mug. Add the hot water and stir until smooth. Pour in the milk and stir again. Microwave on high for 1-1/2 minutes or until hot. Do not boil.
Recipe makes one serving.

Bulk Hot Cocoa:
10 cups of powdered milk
7 cups of sugar
2 cups of cocoa
Mix it up. Add as much as you want to a cup of hot water.